Question 1

Is C78 a billable ICD-10 code?

Accepted Answer

No, C78 is not a billable code. It is a category code that requires additional specificity. You must select a more specific code from the subcategories for billing purposes.

Question 2

What does ICD-10 code C78 mean?

Accepted Answer

ICD-10-CM code C78 represents Secondary malignant neoplasm of respiratory and digestive organs. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

Question 3

When was ICD-10 code C78 introduced?

Accepted Answer

Code C78 has been part of ICD-10-CM since 2016, when the coding system was mandated for use in the United States. This code was included in the original US implementation.

Question 4

What is the parent category for ICD-10 code C78?

Accepted Answer

The parent category for C78 is section:C76-C80 (Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from C78?

Accepted Answer

Code C78 has Type 1 Excludes (mutually exclusive conditions) including: secondary carcinoid tumors of liver (C7B.02); secondary carcinoid tumors of peritoneum (C7B.04). These conditions cannot be coded together with C78 as they represent different diagnoses.

C782026

Excludes12Not coded together

Excludes21Not included here

Notes8Additional information

Is C78 a billable ICD-10 code?

What does ICD-10 code C78 mean?

When was ICD-10 code C78 introduced?

What is the parent category for ICD-10 code C78?

What conditions are excluded from C78?